Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises - Page 20: 10

Answer

13

Work Step by Step

The square root symbol means that we are trying to find what squared equals the number inside of the square root. 13 times 13 is 169, so $\sqrt 169$ equals 13.
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